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GUáCIMO (Luehea spp)

Trade Name

Guácimo

Scientific Name

Luehea spp.

Family

TILIACEAE

Common Names

Uvatinga (Brazil); Ubatinga (Brazil); Mutamba Preta (Brazil); Pau De Canga (Brazil); Caiboti (Brazil); Ivatingui (Brazil); Ibatingui (Brazil); Açoita Cavalo (Brazil); Guácimo (Venezuela); Guácimo Morenillo; Guácimo Macho; Guácimo Blanco; Guácimo Cimarrón; Guácima Amarilla

Description Of The Tree

Botanical Description

Sometimes a tree of large dimensions, often 20 to 30 m up to 40 in height, with fluted trunks of 50 to 60 cm up to even 150 cm (L. seemannii) in diameter.

Natural Distribution

Luehea trees are widely distributed in tropical America

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Wood Identification

Anatomic Description Of Wood

Occasionally vessels per mm2 more than 20. Occasionally tangential diameter of vessel lumina 100 micras or less. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Axial parenchyma in marginal or in seemingly marginal bands. Rays storied.

Availability

Cites Status

Unrestricted

General Wood Description

Color

The sapwood and heartwood are not differentiated. The timber is yellowish or pinkish light beige or slightly grayish. Occasionally pink brownish.

Grain

The grain is usually straight.

Texture

The texture of the wood is medium.

Natural Durability

Luehea has low resistance against decay and wood insects attack.

Natural durability index (1= Very high durability, 7=Vey low durability)

5

Wood Physical Properties

Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)

0.58

Air-dry Density (Weight and volume at 12%MC) (g/cm³)

0.64

Total shrinkage Tangential (Saturated to 0%MC) (%)

8.1

Total shrinkage Radial (Saturated to 0%MC) (%)

3.5

Drying Defects

Ease of Drying: Drying is rapid. Drying Defects: Checking is reported.

Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)

2.3

Wood Chemical Properties

Wood Mechanical Properties

Bending Strength (MOR),12%MC (kgf/cm²)

932

Stiffness (MOE) 12%MC (kgf/cm²)

100922

Compression parallel to fiber 12%MC (kgf/cm²)

454

Shear strength radial 12%MC (kgf/cm²)

112

Janka hardness (side) 12%MC (kgf)

453

Janka hardness (end grain) 12%MC (kgf)

564

Workability

Sawing

Wood of this species is easy to cut.

Planing

Planing is reported to be easy.

Turning

30

REFERENCED USES

End Uses Summary

HOUSING GENERAL, FURNITURE AND CABINETS, PLYWOOD AND VENEER, common veneer, TURNING, PACKING, OTHER AND MUSICAL INSTRUMENTS, handicrafts, pencil, matches

General Housing
  • 10 - Silica in Timbers
Furniture Cabinets
  • 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Panels, Veneers
  • 25 - Directory of Timber Trade Malaysia
Common Veneer
  • 29 - Embassy of Ecuador in Japan
Turning
  • 30 - Embassy of Honduras in Japan
Packing
  • 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Handcraft
  • 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Pencils
  • 67 - Maderas latinoamericanas. VIII, Calophyllum brasilense, Couratari panamensis, Dendropanax arboreum y Bombacopsis sessilis
Matches
  • 71 - Proprietes physiques et mecaniques des bois tropicaux, premier supplement

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